package com.designpatterns.ObserverPattern;

import java.util.Observable;
import java.util.Observer;

/**
 * Created by 41579 on 2017/4/26.
 */
public class Reader implements Observer{
    @Override
    public void update(Observable o, Object arg) {
        System.out.println("o = [" + o + "], arg = [" + arg + "]");
    }
}
